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MCAT Word List # MCAT/W30

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Description of infestation (noun: plural: infestations)
invasion of the body by parasites either on the skin or inside the body

Samples of infestation
Infestations of hair lice are common in schools.

Determination of infestation
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Description of magnification (noun: no plural)
enlargement; sharpening

Samples of magnification
Magnification is the enhancement of size of an object being viewed with a microscope.

Determination of magnification
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Description of energy (noun: no plural)
a force or power allowing the body to function

Samples of energy
Energy is needed to stay alive.



   
Description of neck (noun: plural: necks)
narrow area containing the neck vertebrae; which connects the head to the trunk

Samples of neck
The neck must support the head.



   
Description of epigastrium (noun: no plural)
upper abdomen between the ribcage and navel

Samples of epigastrium
The esophagus lies in the epigastrium.

Determination of epigastrium
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Description of ganglion (noun: plural: ganglions)
a nodule made up of nervous tissue

Samples of ganglion
The cervico-thoracic ganglion is also known as the stellate ganglion.



   
Description of excitation threshold (noun: no plural)
this is the amount of stimulus needed to set up an action potential in a nerve cell

Samples of excitation threshold
A nervous response is triggered when the excitation threshold is reached.

Determination of excitation threshold
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Description of anhydride (noun: plural: anhydrides)
molecule being formed from another by the removal of water

Samples of anhydride
The most common and important anhydride is acetic anhydride being the dimer of acetic acid.



   
Description of base (noun: plural: bases)
substance that contains hydroxyl ions when dissolved in water

Samples of base
Acids and bases cause color changes in certain substances called indicators.



   
Description of antibiotic (adjective: plural: antibiotics)
a substance that destroys bacteria

Samples of antibiotic
Antibiotics have bactericidal properties.



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